{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease", "Chemical"], "input": "If ketoprofen is used before surgery on cerebral artery aneurysms , it may pose an additional risk factor for hemorrhage ."}
{"Disease": ["artery aneurysms", "hemorrhage"], "Chemical": ["ketoprofen"]}